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|Title:||Removal of a potent cyanobacterial hepatotoxin by peat|
|Authors:||Sathishkumar, O. |
|Citation:||Sathishkumar, O., Pavagadhi, S., Mahadevan, A., Balasubramanian, R., Burger, D.F. (2010-12). Removal of a potent cyanobacterial hepatotoxin by peat. Journal of Environmental Science and Health - Part A Toxic/Hazardous Substances and Environmental Engineering 45 (14) : 1877-1884. ScholarBank@NUS Repository. https://doi.org/10.1080/10934529.2010.520598|
|Abstract:||Microcystins (cyclic heptapeptides), produced by a number of freshwater cyanobacteria, are of health concern in potable water supplies. In this article, the adsorptive removal of microcystin-RR (MCRR) from the aqueous solution by a low-cost adsorbent, peat, was investigated. The BET surface area of peat was found to be 12.134 m2/g. The adsorption process was pH dependent, with maximum adsorption occurring at pH 3. Kinetic studies revealed that the adsorption of MCRR onto peat was a rapid process. The adsorption capacity (Qmax) as revealed by the Langmuir model was found to be 286 μg/g at pH 3. Among various desorption media studied, strong alkali solutions (2NNaOH) showed the highest desorption (97%). Thus, peat has potential to be used as an adsorbent for the removal of the cyanotoxin, MCRR, from drinking water. Copyright © Taylor & Francis Group, LLC.|
|Source Title:||Journal of Environmental Science and Health - Part A Toxic/Hazardous Substances and Environmental Engineering|
|Appears in Collections:||Staff Publications|
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